STATES |
DETAILS/RESULTS/ACTIONS |
A1: CHECK FUSE F55 |
|
1Enter the OFF position. |
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2CHECK Fuse F55 (CJB). |
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3CHECK FUSE F55 (20A) |
|
• Is the fuse good? |
|
→ Yes |
|
Go to A2 |
|
→ No |
|
Install a new fuse F55 (20A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation. |
|
A2: CHECK POWER SUPPLY TO FUSE F55 |
|
1Connect Fuse F55 (CJB). |
|
2Enter the ON position. |
|
3Measure the voltage between fuse F55 and ground. |
|
• Is battery voltage registered? |
|
→ Yes |
|
Cars with rear window wipers: Go to A3 |
|
Cars without rear window wipers: Go to A5 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A3: CHECK FUSE F43 |
|
1Enter the OFF position. |
|
2CHECK Fuse F43 (CJB). |
|
3CHECK FUSE F43 (15A) |
|
• Is the fuse good? |
|
→ Yes |
|
Go to A4 |
|
→ No |
|
Install a new fuse F43 (15A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation. |
|
A4: CHECK POWER SUPPLY TO FUSE F43 |
|
1Connect Fuse F43 (CJB). |
|
2Enter the ON position. |
|
3Measure the voltage between fuse F43 and ground. |
|
• Is battery voltage registered? |
|
→ Yes |
|
Go to A5 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A5: CHECK POWER SUPPLY TO WIPER/WASHER SWITCH |
|
1CHECK the system using WDS. If any DTCs are reported, resolve those codes. CHECK the system for proper operation. If the system fails again, perform the following testing steps. |
|
2Enter the OFF position. |
|
3Disconnect Windscreen Wiper/Washer Switch - C441. |
|
4Enter the ON position. |
|
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5Measure the voltage between wiper/washer switch pin 6 C441, circuit 15-KA19 (Green/Orange), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Windshield wipers not working: Go to A6 |
|
Rear Window Wipers Not Working: Go to A8 |
|
→ No |
|
REPAIR the short circuit(s) between the wiper/washer switch and CJB pin 1 C17 using the wiring diagrams. CHECK the system is operating correctly. |
|
A6: CHECK THE LOW-SPEED POWER SUPPLY SUPPLIED TO THE ELECTRIC MOTOR OF THE WINDSHIELD CLEANERS |
|
1Enter the OFF position. |
|
2Connect Windscreen Wiper/Washer Switch - C441. |
|
3Disconnect Windshield Wiper Motor - C848. |
|
4Enter the ON position. |
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5Move the wiper/washer switch to the LOW SPEED position. |
|
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6Measure the voltage between windshield wiper motor pin 5 C848, circuit 32-KA10 (WH/GN), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to A7 |
|
→ No |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
A7: CHECK GROUND CONNECTION OF WINDSHIELD WIPER MOTOR |
|
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1Measure the resistance between pin 1 C848 of the windshield wiper motor, circuit 31-KA9 (Black), harness side and ground. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
CHECK the windshield wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short(s) between the windshield wiper motor and ground G37 using the wiring diagrams. CHECK the system for proper operation. |
|
A8: CHECK REAR WIPER MOTOR GROUND CONNECTION |
|
1Enter the OFF position. |
|
2CHECK the rear window wiper motor housing ground connection. |
|
• Is the ground connection good? |
|
→ Yes |
|
Go to A9 |
|
→ No |
|
REPAIR the ground connection between the rear window wiper motor housing and ground. CHECK that the system is operating correctly. |
|
A9: CHECK POWER SUPPLY TO REAR WIPER RELAY |
|
1Connect Windscreen Wiper/Washer Switch - C441. |
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2Disconnect Rear Window Wiper Relay - C1018. |
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3Enter the ON position. |
|
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4Measure the voltage between pin 5 of the rear window wiper relay C1018 and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to A10 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A10: CHECK REAR WIPER RELAY CONTROL CIRCUIT |
|
![]() |
1Measure the voltage between pin 1 of the rear window wiper relay C1018 and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to A11 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A11: CHECK REAR WIPER RELAY |
|
1Test the rear window wiper relay according to the component testing instructions included with this section. |
|
• Is the relay working properly? |
|
→ Yes |
|
Go to A12 |
|
→ No |
|
INSTALL a new rear wiper relay. CHECK the system for proper operation. |
|
A12: CHECK CJB |
|
1Enter the OFF position. |
|
2Connect Rear Window Wiper Relay - C1018. |
|
3Disconnect Central Junction Box (CJB).- C14. |
|
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4Measure the resistance at CJB connector C14, between pin 3 and pin 10, CJB side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to A13 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A13: CHECK REAR WIPER RELAY GROUND CIRCUIT |
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1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 3 C14 CJB harness side and ground. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to A14 |
|
→ No |
|
REPAIR short circuit(s) between CJB pin 3 C14 and ground G14 using the wiring diagrams. CHECK the system for proper operation. |
|
A14: CHECK REAR WIPER CONTROL CIRCUIT TO CTM |
|
1Enter the ON position. |
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2Move the wiper/washer switch to the REAR WIPER position. |
|
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3Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (WH/RD), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to A16 |
|
→ No |
|
Go to A15 |
|
A15: CHECK WIPER/WASHER SWITCH |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
![]() |
3Connect the jumper wire to the C441 windshield wiper/washer switch connector, between pin 6, circuit 15-KA19 (green/orange) and pin 5, circuit 32-KA35 (white/red), on the harness side. |
4Enter the ON position. |
|
![]() |
5Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (WH/RD), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short circuit(s) between CJB pin 5 C14 and the wiper/washer switch using the wiring diagrams. CHECK the system is operating correctly. |
|
A16: CHECK CJB |
|
1Enter the OFF position. |
|
2Disconnect the Central Timer Module (CTM) - C1000. |
|
![]() |
3Measure the resistance on the CJB between pin 5 of C14 and pin 28 of C1000 CTM. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to A17 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
A17: CHECK ELECTRICAL CIRCUIT TO REAR WIPER MOTOR |
|
1Connect Central Junction Box (CJB) - C14. |
|
2Connect the Central Timer Module (CTM) - C1000. |
|
3Disconnect the Rear Window Wiper Motor - C971. |
|
4Enter the ON position. |
|
![]() |
5Measure the voltage between rear window wiper motor pin 1 C971, circuit 15-KA28 (GN/BL), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to A18 |
|
→ No |
|
ELIMINATE the short circuit (s) between the wiper/washer switch and the electric motor of the rear window cleaners by using electrical wiring diagrams. CHECK that the system is working correctly. |
|
A18: CHECK THE NON-OPERATING WIPER CIRCUIT THAT IS DIRECTED TO THE ELECTRIC MOTOR OF THE REAR WINDOW CLEANERS |
|
1Move the wiper/washer switch to the REAR WIPER position. |
|
![]() |
2Measure the voltage between rear window wiper motor pin 2 C971, circuit 32-KA28 (WH/RD), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
CHECK the rear window wiper motor according to the component testing instructions included with this section, INSTALL a new component if necessary. CHECK the system for proper operation. |
|
→ No |
|
ELIMINATE the short circuit (s) between the wiper/washer switch and the electric motor of the rear window cleaners by using electrical wiring diagrams. CHECK that the system is working correctly. |
PINPOINT TEST B: WIPERS WORK CONTINUOUSLY
STATES |
DETAILS/RESULTS/ACTIONS |
B1: CHECK THE SYSTEM USING WDS |
|
1Check the system using WDS. |
|
• Are any DTCs logged? |
|
→ Yes |
|
Process these codes. CHECK the system is working properly. |
|
→ No |
|
Rear window wipers operate continuously: Go to B8 |
|
Windshield wipers run continuously: Go to B2 |
|
B2: CHECK THE STATE IN WHICH THE MALFUNCTION OCCURRES |
|
1Enter the OFF position. |
|
2Disconnect Windshield Wiper Relay - C1019. |
|
3Enter the ON position. |
|
4Check the windshield wipers. |
|
• Do the windshield wipers operate continuously? |
|
→ Yes |
|
Go to B6 |
|
→ No |
|
Go to B3 |
|
B3: CHECK WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR SHORT TO GROUND" |
|
1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 2 of the windshield wiper relay C1019 and ground. |
• Is the resistance more than 10 kOhm? |
|
→ Yes |
|
Go to B4 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
B4: CHECK WINDSHIELD WIPER RELAY |
|
1CHECK the windshield wiper relay according to the component testing instructions included with this section. |
|
• Is the relay working properly? |
|
→ Yes |
|
Go to B5 |
|
→ No |
|
INSTALL a new windshield wiper relay. CHECK the system for proper operation. |
|
B5: CHECK THE WIPER/WASHER SWITCH FOR CORRECT OPERATION |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
3CHECK the wiper/washer switch according to the component testing instructions included with this section. |
|
• Is the switch working properly? |
|
→ Yes |
|
REPAIR the short to power in the circuit connected to wiper/washer switch pin 10 C441 using the wiring diagrams. CHECK the system for proper operation. |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
|
B6: DETERMINE THE STATE |
|
1Enter the OFF position. |
|
2Connect Windshield Wiper Relay - C1019. |
|
3Disconnect Windscreen Wiper/Washer Switch - C441. |
|
4Enter the ON position. |
|
5Check the windshield wipers. |
|
• Are the windshield wipers on continuously? |
|
→ Yes |
|
Go to B7 |
|
→ No |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
B7: CHECK HIGH SPEED WIPER CIRCUIT TO WINDSHIELD WIPER MOTOR |
|
![]() |
1Measure the voltage between wiper/washer switch pin 8 C441, circuit 32-KA11 (WH/BK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
REPAIR the short to power in the circuit connected to pin 8 C441 of the wiper/washer switch using the wiring diagrams. CHECK the correct operation of the system. |
|
→ No |
|
CHECK the windshield wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
B8: CHECK REAR WIPER RELAY |
|
1Enter the OFF position. |
|
2Disconnect Rear Window Wiper Relay - C1018. |
|
3Enter the ON position. |
|
4Check the windshield wipers. |
|
• Are the windshield wipers on continuously? |
|
→ Yes |
|
Go to B9 |
|
→ No |
|
Go to B10 |
|
B9: CHECK WIPER/WASHER SWITCH |
|
1Enter the OFF position. |
|
2Connect Rear Window Wiper Relay - C1018. |
|
3Disconnect Windscreen Wiper/Washer Switch - C441. |
|
4Enter the ON position. |
|
5Check the windshield wipers. |
|
• Are the windshield wipers on continuously? |
|
→ Yes |
|
CHECK the rear window wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
B10: CHECK REAR WIPER RELAY FOR CORRECT OPERATION |
|
1CHECK the rear window wiper relay according to the component testing instructions included with this section. |
|
• Is the relay working properly? |
|
→ Yes |
|
Go to B11 |
|
→ No |
|
INSTALL a new rear wiper relay. CHECK the system for proper operation. |
|
B11: CHECK REAR WIPER RELAY CONTROL CIRCUIT FOR SHORT TO GROUND" |
|
1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 2 of the rear window wiper relay C1018 and ground. |
• Does the resistance exceed 10 kOhm? |
|
→ Yes |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
PINPOINT TEST C: LOW/HIGH SPEED WIPER FUNCTIONING PROPERLY (INTERMITTENT WIPER FUNCTIONING PROPERLY)
STATES |
DETAILS/RESULTS/ACTIONS |
C1: CHECK LOW SPEED WIPER CIRCUIT TO WINDSHIELD WIPER MOTOR |
|
1CHECK the system using WDS. If any DTCs are reported, resolve those codes. CHECK the system for proper operation. If the system fails again, perform the following testing steps. |
|
2Enter the OFF position. |
|
3Disconnect Windshield Wiper Motor - C848. |
|
4Enter the ON position. |
|
5Move the wiper/washer switch to the LOW SPEED position. |
|
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6Measure the voltage between windshield wiper motor C848 pin 5, circuit 32-KA10 (WH/GN), and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to C2 |
|
→ No |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
C2: CHECK POWER SUPPLY TO HIGH SPEED WIPER CIRCUIT TO WINDSHIELD WIPER MOTOR |
|
1Move the wiper/washer switch to the HIGH SPEED WIPER position. |
|
![]() |
2Measure the voltage between windshield wiper motor pin 4 C848, circuit 32-KA11 (WH/BLK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
CHECK the windshield wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
Go to C3 |
|
C3: CHECK HIGH SPEED WIPER CIRCUIT TO WINDSHIELD WIPER MOTOR |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
![]() |
3Measure the resistance between wiper/washer switch pin 8 C441, circuit 32-KA11 (WH/BLK), harness side and windshield wiper motor pin 4 C848, circuit 32-KA11 (WH/BLK), harness side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to C4 |
|
→ No |
|
REPAIR short(s) between wiper/washer switch and windshield wiper motor using the wiring diagrams. CHECK for proper system operation. |
|
C4: CHECK THE CORRECT OPERATION OF THE WINDSHIELD WIPER MOTOR |
|
1Connect Windshield Wiper Motor - C848. |
|
![]() |
2Connect the jumper wire to the wiper/washer switch connector C441, between pin 6, circuit 15-KA19 (green/orange), and pin 8, circuit 32-KA11 (white/black), on the harness side. |
3Enter the ON position. |
|
4Check the operation of the windshield wipers. |
|
• Is the windshield wiper motor operating properly (in high speed mode)? |
|
→ Yes |
|
CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
CHECK the windshield wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
PINPOINT TEST D: INTERMITTENT WIPER MODE NOT FUNCTIONING CORRECTLY (LOW/HIGH SPEED WIPER MODE FUNCTIONING CORRECTLY)
STATES |
DETAILS/RESULTS/ACTIONS |
D1: CHECK CONTROL CIRCUIT TO WINDSHIELD WIPER RELAY |
|
1Enter the OFF position. |
|
2Disconnect Windshield Wiper Relay - C1019. |
|
3Enter the ON position. |
|
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4Measure the voltage between pin 1 of the windshield wiper relay C1019 and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to D2 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
D2: CHECK POWER SUPPLY TO WINDSHIELD WIPER RELAY |
|
![]() |
1Measure the voltage between pin 5 of the windshield wiper relay C1019 and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to D3 |
|
→ No |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
D3: CHECK WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY |
|
![]() |
1Measure the voltage between pin 2 of the windshield wiper relay C1019 and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
Go to D4 |
|
D4: CHECK THE WINDSHIELD WIPER RELAY FOR CORRECT FUNCTIONING |
|
1Enter the OFF position. |
|
2CHECK the windshield wiper relay according to the component testing instructions included with this section. |
|
• Is the relay working properly? |
|
→ Yes |
|
Go to D5 |
|
→ No |
|
CHECK that the system is working correctly. CHECK that the system is working correctly. |
|
D5: CHECK THE POWER SUPPLY TO THE INTERMITTENT CLEANING MODE IN THE CIRCUIT TO THE CTM |
|
1Connect Windshield Wiper Relay - C1019. |
|
2CHECK the system using WDS. If any DTCs are reported, resolve those codes. CHECK the system for proper operation. If the system fails again, perform the following testing steps. |
|
3Enter the OFF position. |
|
4Disconnect Central Junction Box (CJB) - C15. |
|
5Enter the ON position. |
|
6Turn the wiper/washer switch to the INTERMITTENT WIPER position. |
|
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7Measure the voltage between pin 6 C15 CJB, circuit 8-KA19 (WH/BLK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
Go to D6 |
|
D6: CHECK THE WIPER/WASHER SWITCH FOR CORRECT OPERATION |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
3CHECK the wiper/washer switch according to the component testing instructions included with this section. |
|
• Is the switch working properly? |
|
→ Yes |
|
With variable speed intermittent cleaning mode: Go to D7 |
|
Without variable speed intermittent wipe mode: REPAIR short circuit(s) between CJB pin 6 C15 and wiper/washer switch using the wiring diagrams. CHECK the system operates correctly. |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
|
D7: CHECK CONTROL CIRCUIT 8-KA18 (WHITE) TO CTM FOR OPEN |
|
1Connect Central Junction Box (CJB) - C15. |
|
2Disconnect Central Junction Box (CJB) - C11. |
|
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3Measure the resistance between CJB pin 15 C11, circuit 8-KA18 (white), harness side and wiper/washer switch pin 1 C441, circuit 8-KA18 (white), harness side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to D8 |
|
→ No |
|
REPAIR the short circuit(s) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is operating correctly. |
|
D8: CHECK CONTROL CIRCUIT 8-KA18 (WHITE) TO CTM FOR SHORT TO POWER SUPPLY |
|
1Connect Windscreen Wiper/Washer Switch - C441. |
|
2Enter the ON position. |
|
3Turn the wiper/washer switch to the OFF position. |
|
![]() |
4Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
REPAIR the short to power in the circuit connected to wiper/washer switch pin 1 C441 using the wiring diagrams. CHECK the system for proper operation. |
|
→ No |
|
Go to D9 |
|
D9: CHECK CONTROL CIRCUIT 8-KA18 (WHITE) TO CTM FOR SHORT TO GROUND. |
|
1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), harness side and ground. |
• Does the resistance exceed 10 kOhm? |
|
→ Yes |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short to ground in the circuit(s) connected to wiper/washer switch pin 1 C441 using the wiring diagrams. CHECK the system for proper operation. |
PINPOINT TEST E: WASH AND CLEANING FUNCTION DOES NOT WORK
STATES |
DETAILS/RESULTS/ACTIONS |
E1: CHECK THE SYSTEM USING WDS. |
|
1CHECK the system using WDS. |
|
• Are any DTCs logged? |
|
→ Yes |
|
Process these codes. CHECK the system is working properly. |
|
→ No |
|
Go to E2 |
|
E2: CHECK THE CLEANING AND WASHING CIRCUIT TO THE CTM |
|
1Enter the OFF position. |
|
2Disconnect the Central Timer Module (CTM) - C1000. |
|
3Enter the ON position. |
|
![]() |
4Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to E4 |
|
→ No |
|
Go to E3 |
|
E3: CHECK THE WIPER/WASHER SWITCH FOR CORRECT OPERATION |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
3CHECK the wiper/washer switch according to the component testing instructions included with this section. |
|
• Is the switch working properly? |
|
→ Yes |
|
REPAIR open circuit between C1000 CTM pin 27 and wiper/washer switch using the wiring diagrams. CHECK for proper system operation. |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
|
E4: CHECK THE CORRECT FUNCTIONING OF THE WIPER/WASHER SWITCH |
|
1Enter the OFF position. |
|
2Disconnect Windscreen Wiper/Washer Switch - C441. |
|
3CHECK the wiper/washer switch according to the component testing instructions included with this section. |
|
• Is the switch working properly? |
|
→ Yes |
|
Go to E5 |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
|
E5: CHECK THE CLEANING AND WASHING CIRCUIT DIRECTED TO THE WIPER SWITCH/WINDSCREEN WASHERS |
|
1Connect Windscreen Wiper/Washer Switch - C441. |
|
2Enter the ON position. |
|
![]() |
3Measure the voltage at the C1000 CTM connector, between pin 29 and pin 17. |
• Is battery voltage registered? |
|
→ Yes |
|
REPAIR open in circuit 31-KA19 (Black) between wiper/washer switch and ground G14 using the wiring diagrams. CHECK for proper system operation. |
|
→ No |
|
REPAIR open circuit 32-KA6 (WH/BLK) between wiper/washer switch and S14 using the wiring diagrams. CHECK the system for proper operation. |
PINPOINT TEST F: WIPERS DO NOT STOP IN THE CORRECT OFF POSITION
STATES |
DETAILS/RESULTS/ACTIONS |
F1: DETERMINE STATE |
|
1Determine the vehicle configuration. |
|
• Is the vehicle equipped with rear window wipers? |
|
→ Yes |
|
Go to F2 |
|
→ No |
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Go to F3 |
|
F2: DETERMINE THE STATE IN WHICH THE MALFUNCTION OCCURS. |
|
1Enter the ON position. |
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2Turn the wiper/washer switch to the REAR WIPER position and to the OFF position. |
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3Check the idle position of the windshield wipers. |
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• Do the rear window wipers stop in the correct idle position? |
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→ Yes |
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Go to F3 |
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→ No |
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CHECK the rear window wiper motor according to the component testing instructions included with this section. |
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F3: CHECK THE WINDSHIELD WIPER RELAY FOR CORRECT FUNCTIONING |
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1Enter the OFF position. |
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2Disconnect Windshield Wiper Relay - C1019. |
|
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3Connect the jumper wire to the windshield wiper relay C1019, between pin 3 and pin 4. |
4Enter the ON position. |
|
5Activate ONE-TIME CLEANING. |
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6Check the idle position of the windshield wipers. |
|
• Do the wipers stop in the correct idle position? |
|
→ Yes |
|
INSTALL a new windshield wiper relay. CHECK the system for proper operation. |
|
→ No |
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Go to F4 |
|
F4: CHECK CONTROL CIRCUIT(S) TO WINDSHIELD WIPER MOTOR |
|
1Enter the OFF position. |
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2Connect Windshield Wiper Relay - C1019. |
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3Disconnect Windshield Wiper Motor - C848. |
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4Measure the resistance at the windshield wiper motor between pin 2 of C848, circuit 32-KA9 (WH/BL) and pin 5, circuit 32-KA10 (WH/GN), harness side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to F5 |
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→ No |
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Go to F6 |
|
F5: CHECK THE POWER SUPPLY OF THE NON-WORKING POSITION FUNCTION OF THE WINDSHIELD WIPERS DIRECTED TO THE ELECTRIC MOTOR OF THE WINDSHIELD CLEANERS |
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1Enter the ON position. |
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2Measure the voltage between windshield wiper motor C848 pin 3, circuit 15-KA9 (Green/Red) and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
CHECK the windshield wiper motor according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short circuit(s) between CJB pin 1 C17 and windscreen wiper motor using the wiring diagrams. CHECK the system operates correctly. |
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F6: CHECK CJB |
|
1Disconnect Central Junction Box (CJB) - C14. |
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2Disconnect the Central Timer Module (CTM) - C1000. |
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3Disconnect Windshield Wiper Relay - C1019. |
|
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4Measure the resistance at the CJB, between pin 9 of C14, CJB side and - pin 4 C1019 windshield wiper relay. - pin 7 C1000 CTM. |
• Is the resistance less than 2 ohms in both cases? |
|
→ Yes |
|
Go to F7 |
|
→ No |
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Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
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F7: CHECK THE ELECTRICAL CIRCUIT TO THE WINDSHIELD WIPER MOTOR |
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1Measure the resistance between CJB pin 9 C14, circuit 32-KA9 (WH/BU), harness side and windshield wiper motor pin 2 C848, circuit 32-KA9 (WH/BU), harness side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to F8 |
|
→ No |
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REPAIR the short circuit(s) between CJB pin 9 C14 and windscreen wiper motor using the wiring diagrams. CHECK the system is operating correctly. |
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F8: CHECK WIPER/WASHER SWITCH |
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1Disconnect Windscreen Wiper/Washer Switch - C441. |
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2CHECK the wiper/washer switch according to the component testing instructions included with this section. If necessary, INSTALL a new component. CHECK the system for proper operation. |
|
• Is the wiper/washer switch working properly? |
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→ Yes |
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REPAIR open circuit 32-KA19 (WH/BLK) between wiper/washer switch and windshield wiper relay using the wiring diagrams. CHECK for proper system operation. |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
PINPOINT TEST G: WINDSHIELD WIPERS DO NOT FUNCTION CORRECTLY WITH THE WASHING FUNCTION
STATES |
DETAILS/RESULTS/ACTIONS |
G1: CHECK CJB |
|
1CHECK the system using WDS. If any DTCs are reported, resolve those codes. CHECK the system for proper operation. If the system fails again, perform the following testing steps. |
|
2Enter the OFF position. |
|
3Disconnect the Central Timer Module (CTM) - C1000. |
|
4Disconnect the Double Acting Windshield Washer Pump Motor - C828. |
|
5Enter the ON position. |
|
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6Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to G2 |
|
→ No |
|
Check the CJB. If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
G2: CHECK THE WASH AND CLEAN CIRCUIT TO THE CTM |
|
1Enter the OFF position. |
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2Disconnect Central Junction Box (CJB) - C14. |
|
3Enter the ON position. |
|
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4Measure the voltage between pin 1 C14 CJB, circuit 32-KA6A (WH/BK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short circuit(s) between CJB C14 pin 1 and S14 connection using the wiring diagrams. CHECK the system is operating correctly. |
PINPOINT TEST H: WINDSHIELD WASHER PUMP NOT WORKING
STATES |
DETAILS/RESULTS/ACTIONS |
H1: CHECK CIRCUIT TO WASHER PUMP MOTOR FOR OPEN CIRCUIT |
|
1Enter the OFF position. |
|
2Disconnect the Double Acting Windshield Washer Pump Motor - C828. |
|
3Enter the ON position. |
|
![]() |
4Measure the voltage between pin 1 C828 dual acting windshield washer pump motor, circuit 32-KA34 (WH/BLK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to H2 |
|
→ No |
|
REPAIR the short circuit(s) between the dual action windshield washer pump motor and connection S14 using the wiring diagrams. CHECK the system for proper operation. |
|
H2: CHECK CIRCUIT TO TWO-WAY WINDSHIELD WASHER PUMP MOTOR FOR OPEN CIRCUIT |
|
![]() |
1Measure the voltage between pin 2 C828 of dual acting windshield washer pump motor, circuit 33-KA34 (YE/BLK), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
CHECK the dual-action windshield washer pump motor. If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short circuit(s) between pin 2 C828 of the windscreen washer pump motor and the CJB using the wiring diagrams. CHECK the system is operating correctly. |
PINPOINT TEST I: CONTROLLED INTERMITTENT CLEANING MODE IS NOT FUNCTIONING CORRECTLY
STATES |
DETAILS/RESULTS/ACTIONS |
I1: CHECK THE WIPER/WASHER SWITCH FOR CORRECT OPERATION |
|
1CHECK the system using WDS. If any DTCs are reported, resolve those codes. CHECK the system for proper operation. If the system fails again, perform the following testing steps. |
|
2Enter the OFF position. |
|
3Disconnect Windscreen Wiper/Washer Switch - C441. |
|
4CHECK the wiper/washer switch according to the component testing instructions included with this section. |
|
• Is the switch working properly? |
|
→ Yes |
|
Go to I2 |
|
→ No |
|
INSTALL a new wiper/washer switch. CHECK the system for proper operation. |
|
I2: CHECK THE ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO THE CTM |
|
1Disconnect Central Junction Box (CJB) - C11. |
|
![]() |
2Measure the resistance between CJB pin 15 C11, circuit 8-KA18 (white), harness side and wiper/washer switch pin 1 C441, circuit 8-KA18 (white), harness side. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to I4 |
|
→ No |
|
REPAIR the short circuit(s) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is operating correctly. |
|
I3: CHECK THE CTM CONTROLLED INTERMITTENT CLEANING CIRCUIT FOR A SHORT TO POWER SUPPLY |
|
1Connect Windscreen Wiper/Washer Switch - C441. |
|
2Enter the ON position. |
|
3Turn the wiper/washer switch to the OFF position. |
|
![]() |
4Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
REPAIR the short to power in the circuit(s) connected to wiper/washer switch pin 1 C441 using the wiring diagrams. CHECK the system for proper operation. |
|
→ No |
|
Go to I4 |
|
I4: CHECK CONTROLLED INTERMITTENT CLEANING CIRCUIT TO CTM FOR SHORT TO GROUND" |
|
1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), harness side and ground. |
• Does the resistance exceed 10 kOhm? |
|
→ Yes |
|
Check CJB If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short to ground in the circuit(s) connected to wiper/washer switch pin 1 C441 using the wiring diagrams. CHECK the system for proper operation. |
PINPOINT TEST J: HEADLAMP WASHING FUNCTION DOES NOT WORK CORRECTLY
STATES |
DETAILS/RESULTS/ACTIONS |
J1: CHECK POWER SUPPLY TO HEADLAMP WASHER RELAY |
|
1Enter the OFF position. |
|
2Disconnect Headlamp Washer Relay - C1004. |
|
3Enter the ON position. |
|
![]() |
4Measure the voltage between pin 2 of the C1004 headlamp washer relay and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to J4 |
|
→ No |
|
Go to J2 |
|
J2: CHECK FUSE F13 |
|
1Enter the OFF position. |
|
2CHECK Fuse F13 (BJB). |
|
3CHECK FUSE F13 (30A) |
|
• Is the fuse good? |
|
→ Yes |
|
Go to J3 |
|
→ No |
|
Install a new fuse F13 (30A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system for proper operation. |
|
J3: CHECK POWER SUPPLY TO FUSE F13 |
|
1Enter the ON position. |
|
2Measure the voltage between fuse F13 (BJB) and ground. |
|
• Is battery voltage registered? |
|
→ Yes |
|
Go to J4 |
|
→ No |
|
Check BJB If necessary, INSTALL a new element. CHECK the system is working properly. |
|
J4: CHECK CONTROL CIRCUIT (WHEN HEADLIGHTS ON) TO HEADLIGHT WASHER RELAY |
|
1Enter the OFF position. |
|
2Connect Fuse F13 (BJB). |
|
3Enter the ON position. |
|
4Turn the light switch to the "LOW BEAM" position. |
|
![]() |
5Measure the voltage between pin 5 of the C1004 headlamp washer relay and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to J5 |
|
→ No |
|
REPAIR short(s) between light switch and headlamp washer relay using the wiring diagrams. CHECK for proper system operation. |
|
J5: CHECK GROUND CONNECTION OF HEADLAMP WASHER RELAY |
|
1Turn the light switch to the "OFF" position. |
|
2Enter the OFF position. |
|
![]() |
3Measure the resistance between pin 1 of the C1004 headlamp washer relay and ground. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
Go to J6 |
|
→ No |
|
REPAIR the short(s) between the headlamp washer relay and ground G37 using the wiring diagrams. CHECK the system for proper operation. |
|
J6: CHECK WASHER CIRCUIT TO HEADLAMP WASHER RELAY |
|
1Enter the ON position. |
|
![]() |
2Measure the voltage between pin 3 of the headlamp washer relay C1004, circuit 32-KA22 (WH/RD) and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to J7 |
|
→ No |
|
REPAIR the short(s) between pin 3 of the headlamp washer relay C1004 and connection S14 using the wiring diagrams. CHECK the system for proper operation. |
|
J7: CHECK HEADLAMP WASHER PUMP. |
|
1Connect Headlight Washer Relay - C1004. |
|
2Disconnect Headlamp Washer Pump Motor - C745. |
|
3Enter the ON position. |
|
4Turn the light switch to the "LOW BEAM" position. |
|
5During measurement, activate the WINDSHIELD WASHER. |
|
![]() |
6Measure the voltage between headlamp washer pump motor pin 1 C745, circuit 15S-KA21 (Green/Yellow), harness side and ground. |
• Is battery voltage registered? |
|
→ Yes |
|
Go to J8 |
|
→ No |
|
REPAIR the open circuit between pin 4 of the C1004 headlamp washer relay and the headlamp washer pump motor using the wiring diagrams. CHECK the system for proper operation. |
|
J8: CHECK HEADLAMP WASHER PUMP GROUND CONNECTION |
|
1Enter the OFF position. |
|
![]() |
2Measure the resistance between pin 2 C745 headlamp washer pump motor, circuit 31-KA21 (black), harness side and ground. |
• Is the resistance less than 2 ohms? |
|
→ Yes |
|
CHECK the headlamp washer pump motor. If necessary, INSTALL a new element. CHECK the system for proper operation. |
|
→ No |
|
REPAIR the short(s) between the headlamp washer pump motor and ground G37 using the wiring diagrams. CHECK the system for proper operation. |
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